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Web site access

By BarryVG ·
Having problems accessing company web site via DSL connection. A search for the site finds two links, which when clicked, IE says cannot display page. Going outside company on dial up lines, the web site can be accessed. Checked DNS at both website and internal servers and unable to find any reason for the non-access. Restarted the company main DNS server and was able to access site previous night. However, this morning, site again inaccessible. Contacted both website host and ISP, who are unable to determine any reason for issue. Any comments? Dumping a lot of points for this one.

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by BarryVG In reply to Web site access

Have flushed DNS on server (W2k3) and and restarted firewall. All ports on firewall have remained same for last year, so there have been no changes. Server gets virusscanned repeatedly. No spyware found.

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by maxwell edison In reply to Web site access

Start eliminating potential sources for the problem, one at a time. For example, you said that the firewall settings haven't been changed, but have you simply turned off the firewall entirely?

Some ideas:

Disable firewall. If it works, then there is a firewall setting interfering.

Bypass the router. If it works, then there is a router setting interfering.

Update firmware on DSL modem.

Try a different DSL modem. I have heard of some DSL modems - especially the ones provided by the ISP - starting to experience mysterious problems.

Update both the server and client Windows - service packs, security updates, etc.

By the way, I could access the Web site just fine.

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by BarryVG In reply to

Have found the cause. Late summer we upgraded the server from NT to 2k3. after that time, we experienced issues with systems not identifying other "same" network systems. Had to add in internal DNS server to the network. Seems that this system then decided it was the main host for the domain name. As result it wouldn't pass on the request to any other DNS server when asked. Had to add an Aname with IP address to the host computer in the IIS entry for the web site. Once done, flushed DNS and then was able to access the web site. Thanks for your comments, did try all previously except for bypassing router.

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by BarryVG In reply to Web site access

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